Salvigsen , Otto, Ørnulf Lauritzen, and Jan Mangerud. “Karst and Karstification in Gypsiferous Beds in Mathiesondalen, Central Spitsbergen, Svalbard”. Polar Research 1, no. 1 (January 1, 2010): 83-88. Accessed March 30, 2026. https://polarresearch.net/index.php/polar/article/view/2547.